Wavecor SW280WA01 11" Shallow Glass Fiber/PMI Foam Sandwich Cone Subwoofer 4 Ohm
Best box: 46.5 L bass reflex tuned to 24.9 Hz · F3 24.1 Hz
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Comparable 11.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Wavecor SW280WA01 11" Shallow Glass Fiber/PMI Foam Sandwich Cone Subwoofer 4 Ohm does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 46.5 Liters |
| Tuning Frequency (Fb) | 24.9 Hz |
| F3 (-3 dB Cutoff) | 24.1 Hz |
| F6 / F10 Extension | 21.4 Hz / 18.9 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 16.8 cm |
| First Pipe Resonance | 1021.0 Hz |
| Estimated MOL @ F3 | 104.2 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 20.3 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 45.4 Hz |
| F3 (-3 dB Cutoff) | 46.9 Hz |
| F6 / F10 Extension | 35.2 Hz / 26.4 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 26.0 Hz |
| Total Q (Qts) | 0.4 |
| Electrical Q (Qes) | 0.429 |
| Mechanical Q (Qms) | 6.0 |
| Equivalent Volume (Vas) | 43.0 Liters |
| Diaphragm Area (Sd) | 335.0 cm² |
| DC Resistance (Re) | 3.4 Ω |
| Efficiency Bandwidth Product (EBP) | 60.7 |
| Linear Excursion (Xmax) | 6.0 mm |
| Thermal Power (Pe) | 200.0 W |
| Nominal Diameter | 11.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Wavecor SW280WA01 11" Shallow Glass Fiber/PMI Foam Sandwich Cone Subwoofer 4 Ohm?
Load Forge's calculated alignment puts Wavecor SW280WA01 11" Shallow Glass Fiber/PMI Foam Sandwich Cone Subwoofer 4 Ohm in a 46.5 liter vented enclosure tuned to 24.9 Hz, reaching an F3 cutoff of approximately 24.1 Hz.
Can Wavecor SW280WA01 11" Shallow Glass Fiber/PMI Foam Sandwich Cone Subwoofer 4 Ohm be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 20.3 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 46.9 Hz.
What port dimensions should be used for Wavecor SW280WA01 11" Shallow Glass Fiber/PMI Foam Sandwich Cone Subwoofer 4 Ohm to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 16.8 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
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